Loaded Pizza

Ingredients

• 1 can (8 ounces) mushroom stems and pieces, drained
• 1/4 cup each chopped green pepper, sweet red pepper, ripe olives, white onion and red onion
• 2 garlic cloves, minced
• 3 tablespoons olive oil, divided
• 1/2 pound ground beef
• 1/4 pound bulk pork sausage
• 2 teaspoons cornmeal
• 1 loaf (1 pound) frozen bread dough, thawed
• 1/2 teaspoon garlic powder
• 1 can (8 ounces) tomato sauce
• 2 tablespoons minced fresh parsley
• 4 teaspoons Italian seasoning
• 1/4 teaspoon pepper
• 27 pepperoni slices (1-3/4 ounces)
• 2 cups shredded Italian cheese blend
• 1/4 cup shredded cheddar cheese